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WebElements: Dysprosium - http://www.webelements.com/webelements/elements/text/Dy/key.html
Extensive information on history, uses, occurrence, compounds, and properties. |
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LANL: Dysprosium - http://periodic.lanl.gov/elements/66.html
History, properties, uses, and cost. |
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ChemicalElements.com: Dysprosium - http://www.chemicalelements.com/elements/dy.html
Basic information, atomic structure, and isotopes table. |
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EnvironmentalChemistry.com: Dysprosium - http://environmentalchemistry.com/yogi/periodic/Dy.html
Atomic structure, chemical and physical properties, and table of nuclides. |
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Wikipedia: Dysprosium - http://en.wikipedia.org/wiki/Dysprosium
Properties of the element, including its history, applications, and characteristics. |